Coronavirus disease-19 quarantine is more detrimental than traditional off-season on physical conditioning of professional soccer players - Grazioli, R.; Loturco, I.; Baroni, B. M.; Oliveira, G. S.; Saciura, V.; Vanoni, E.; Dias, R.; Veeck, F.; Pinto, R. S.; Cadore, E. L. (The Journal of Strength and Conditioning Research, 2020)